Since you are looking for the manual, you likely need the pinout. Here is the standard wiring configuration for the BT 5908:
| Wire Color | Function | Terminal | | :--- | :--- | :--- | | Red | VCC (5V–12V DC) | Power + | | Black | GND (Ground) | Power - | | Green | L+ (Left Speaker Positive) | Audio Out | | White | R+ (Right Speaker Positive) | Audio Out | | Blue | AUX Detect / ANT (Antenna) | Signal |
Important: Do not connect the Red wire to car battery 12V without a voltage regulator unless the manual specifies "12V tolerant." Most BT 5908 units require 5V USB power. jie rui bt 5908 manual kit pdf
Because the BT-5908 is a hybrid, it has unique failure modes. For example, using it as a drum sander creates a lot of dust that can enter the motor housing. The manual’s maintenance section (often ignored) specifies cleaning intervals that prevent thermal shutdown.
Q: Is the Jie Rui BT 5908 waterproof? A: No. The manual explicitly states "Indoor / Dry location use only." Do not install it in a boat cockpit or motorcycle handlebar without a waterproof case. Since you are looking for the manual, you
Q: Can I use the BT 5908 while charging? A: Yes. The manual confirms "Pass-through charging" works. You can play music while the board is plugged into USB power.
Q: How do I reset the Jie Rui BT 5908? A: There is no reset button. To factory reset: Turn off the device. Press and hold the "Play/Pause" button while plugging in the power. Hold for 10 seconds. All paired devices will clear. For example, using it as a drum sander
Q: The PDF manual mentions "TF Card." What size works? A: The BT 5908 supports FAT32 formatted TF (MicroSD) cards up to 32GB. It will auto-play MP3 files from the root directory.